Disinfection Byproducts: A Reference Resource

Disinfection byproducts are formed when disinfectants used in water
treatment plants react with bromide and/or natural organic matter (i.e.,
decaying vegetation) present in the source water. Different disinfectants
produce different types or amounts of disinfection byproducts. Disinfection
byproducts for which regulations have been established have been identified in
drinking water, including trihalomethanes, haloacetic acids, bromate, and
chlorite.